NMP (N-Methyl Pyrrolidone) solution rectification equipment

The utility model discloses NMP (N-Methyl Pyrrolidone) solution rectifying equipment which comprises a rectifying shell and a condensing shell, a top cover is in threaded connection with the outer wall of the top of the rectifying shell, a conveying pipe is welded on the outer wall of the top of the top cover, the bottom end, far away from the top cover, of the conveying pipe is welded on the outer wall of one side of the condensing shell, and the conveying pipe penetrates into the condensing shell; a material receiving shell is welded to the outer wall of the bottom of the condensation shell, a discharging pipe is welded to the outer wall of one side of the material receiving shell, a cavity is formed in the condensation shell, and a mounting frame is mounted on the inner wall of the cavity through screws; through the arrangement of the condensation shell and the condensation pipe, the diameter of the cavity in the condensation shell is gradually increased from bottom to top, and the diameter of the condensa